Fix SEGV in lseek

I found hard way why the code was using "_whence" name.

* file.c: Rename whence[] to whence_codes[].
(sys_lseek): Fix printxval() to use whence_codes[].
(sys_lseek32): Likewise.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/file.c b/file.c
index c3a826b144276288a537e67681e0a72741fa8691..3a98674c5f597a02f8ccaa5b0805d0585629a612 100644 (file)
--- a/file.c
+++ b/file.c
@@ -516,7 +516,7 @@ sys_umask(struct tcb *tcp)
        return RVAL_OCTAL;
 }
 
-static const struct xlat whence[] = {
+static const struct xlat whence_codes[] = {
        { SEEK_SET,     "SEEK_SET"      },
        { SEEK_CUR,     "SEEK_CUR"      },
        { SEEK_END,     "SEEK_END"      },
@@ -544,7 +544,7 @@ sys_lseek(struct tcb *tcp)
                        tprintf(", %llu, ", offset);
                else
                        tprintf(", %lld, ", offset);
-               printxval(whence, whence, "SEEK_???");
+               printxval(whence_codes, whence, "SEEK_???");
        }
        return RVAL_LUDECIMAL;
 }
@@ -564,7 +564,7 @@ sys_lseek32(struct tcb *tcp)
                        tprintf(", %lu, ", offset);
                else
                        tprintf(", %ld, ", offset);
-               printxval(whence, whence, "SEEK_???");
+               printxval(whence_codes, whence, "SEEK_???");
        }
        return RVAL_UDECIMAL;
 }
@@ -584,7 +584,7 @@ sys_lseek(struct tcb *tcp)
                        tprintf(", %lu, ", offset);
                else
                        tprintf(", %ld, ", offset);
-               printxval(whence, whence, "SEEK_???");
+               printxval(whence_codes, whence, "SEEK_???");
        }
        return RVAL_UDECIMAL;
 }
@@ -622,7 +622,7 @@ sys_llseek(struct tcb *tcp)
                        tprintf("%#lx, ", tcp->u_arg[3]);
                else
                        tprintf("[%llu], ", off);
-               printxval(whence, tcp->u_arg[4], "SEEK_???");
+               printxval(whence_codes, tcp->u_arg[4], "SEEK_???");
        }
        return 0;
 }